Returns a value that indicates whether the value of the specified argument is an array
Category: Variable Information
VARRAYX ( expression )
expression
specifies any SAS character expression.
Restriction: The value of the specified expression cannot denote an array reference.
VARRAYX returns 1 if the value of the given argument is the name of an array; it returns 0 if the value of the given argument is not the name of an array.
VARRAY returns a value that indicates whether the specified name is the name of an array. VARRAYX returns a value that indicates whether the value of the specified expression is the name of an array.
VARRAY does not accept an expression as an argument. VARRAYX accepts expressions, but the value of the specified variable cannot denote an array reference.
Related functions return the value of other variable attributes, such as the variable name, informat, format, among others. For a list, see the 'Variable Information' functions in 'Functions and CALL Routines by Category' on page 270.
SAS Statements | Results |
---|---|
array x(3) x1-x3; array vx(4) vx1 vx2 vx3 vx4 ('x' 'x1' 'x2' 'x3'); y=varrayx(vx(1)); z=varrayx(vx(2)); put y=; put z=; | y=1 z=0 |
Functions:
'Variable Information' functions in 'Functions and CALL Routines by Category' on page 270